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fix: linux screensaver, lock screen and DPMS blocked by session-desktop #1940

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fix: linux screensaver, lock screen and DPMS blocked by session-desktop #1940

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10 changes: 8 additions & 2 deletions ts/node/power_saver_inhibitor.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,13 @@ function preventAppSuspensionElectron() {
// if the power save blocker is already running, do not attempt to lock it again.
return;
}
electronBlockerId = powerSaveBlocker.start('prevent-app-suspension');
// On Linux, 'prevent-app-suspension' maps to systemd-inhibit --what=idle which blocks
// the entire idle pipeline (screensaver, lock screen, DPMS). Use 'prevent-display-sleep'
// instead, which maps to --what=sleep and only prevents suspend.
// On macOS/Windows, 'prevent-app-suspension' is correct.
const blockerType =
process.platform === 'linux' ? 'prevent-display-sleep' : 'prevent-app-suspension';
electronBlockerId = powerSaveBlocker.start(blockerType);
}

powerMonitor.on('resume', () => {
Expand All @@ -31,7 +37,7 @@ export function startAppSuspensionBlocker(): void {
const proc = spawn(
'systemd-inhibit',
[
'--what=idle',
'--what=sleep',
`--who=${packageJson.productName}`,
`--why=Keeping ${packageJson.name} running`,
'--mode=block',
Expand Down